[GitHub] [incubator-brpc] GOGOYAO opened a new issue #1129: bthread 疑似死锁调试

Mon, 01 Jun 2020 00:44:58 -0700 


GOGOYAO opened a new issue #1129:
URL: https://github.com/apache/incubator-brpc/issues/1129


   **Describe the bug (描述bug)**
   进程未挂，但是health接口已经不能返回ok。
   
   pstack发现TaskGroup相关的栈，全部都在__lll_lock_wait函数上。
   
   使用gdb + gdb_bthread_stack.py答应发现有1200+的bthread。
   使用bthread_list，全部阻塞在PeriodicTaskThread，而且has stack都是no
   
![image](https://user-images.githubusercontent.com/18675094/83386886-5d544780-a41e-11ea-9aa2-a221647df4f5.png)
   
   1. 为什么这里has stack都是no呢？
   2. 都在PeriodicTaskThread这个函数代表啥？
   
   **To Reproduce (复现方法)**
   
   
   **Expected behavior (期望行为)**
   
   
   **Versions (各种版本)**
   OS: centos 7 
   Compiler: gcc8
   brpc: 0.9.0
   protobuf: 3.11
   
   **Additional context/screenshots (更多上下文/截图)**
   
   


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